Hi Pooh, Tes just google dodson and ross, top of the list on the left hand side, the first two cover just what you want, if not you can post Dr Betty Dodson, she lives life one orgasm at a time, she runs life cass's on how to masturbate and how to orgasm, you can also download vids on most subjects for a small fee for the day, week or month, give it a go, the site is packed with info and posts.
Good Luck
Lol, just give your body a bit of rest before trying again. :) - Blu